Blue sky - photovoltaic in the shadow
The sun just disappeared behind the Untersberg. Only the blue of the sky illuminates the szene. Nevertheless delivers the photovoltaic still 5% peak.The reduction of performance of this three layer amorphous cells in the shadow is much less than at crystalline silicon.
Therefor is the efficiency at full sunshine some percent less.
Translated to the language of a car test, it would be like "Less maximal power, but much power starting from below".
Attention! New complete solar set 2012